6 Warning Signs You’ve Been Hacked (And What to Do Next)


Is Your Device Under Attack?

Signs You've Been Hacked

By PhasedLogix | St. Charles IT Solutions You Can Trust

Cybersecurity threats are no longer limited to big corporations—they’re affecting small businesses, home users, and even non-profits right here in St. Charles. At PhasedLogix, we’ve helped countless clients recover from cyberattacks, and it always starts the same way: with a few unusual red flags—what we call the Signs You’ve Been Hacked—that are easy to overlook.

Below are 6 critical warning signs that could indicate your system has been compromised:


1. Slow System Performance

If your device suddenly feels sluggish or unresponsive, it could be more than just a full hard drive. Malware often runs silently in the background, draining your system’s resources as it harvests data or sends information to remote servers.


2. Ransomware Messages

This is the digital equivalent of a hostage situation. If you’re seeing messages demanding payment to unlock your files, your system is already in serious trouble. Never pay the ransom—contact cybersecurity professionals immediately.


3. Strange Account Behavior

Did you receive password reset emails you didn’t request? Seeing messages sent from your accounts that you didn’t write? These are telltale signs someone else has gained access. Time to change passwords—fast.


4. Unfamiliar Software Installations

Did a new program appear on your desktop that you didn’t install? Many forms of malware disguise themselves as legitimate software. If you see anything unfamiliar, don’t open it—scan your system right away.


5. Your Browser Home Page Has Changed

A browser hijacker may have redirected you if your browser suddenly opens to a search engine or website you don’t recognize. These hijackers often track your activity or send you to malicious sites.


6. Missing or Altered Files

If someone has unauthorized access to your system, they might start renaming or deleting your files—both are major red flags. In some cases, hackers will erase or encrypt your data to cover their tracks.


🚨 What to Do If You Suspect You’ve Been Hacked

1. Disconnect from the Internet
This stops any ongoing communication between your system and the hacker.

2. Run a Full Security Scan
Use a trusted antivirus or antimalware program to identify and remove threats.

3. Change Your Passwords
Do this for email, banking, social media, and any other critical accounts—starting with your email.

4. Monitor Your Accounts
Look for unfamiliar logins, transactions, or changes in settings.

5. Contact PhasedLogix
We’re your local St. Charles IT security experts, ready to help you assess damage, recover data, and secure your systems for good.


Protect What Matters Most

At PhasedLogix, we believe strong cybersecurity starts with awareness. If something feels “off” with your devices, don’t brush it off—act fast and contact a professional.

📞 Need help right now? Call PhasedLogix at (314) 485-9888 or visit us at www.phasedlogix.com.
We’re here to protect your technology, so you can focus on running your business or home with confidence.


Want to learn how to think like a hacker, but protect like a pro? Check out one of our latest blogs: CLICK HERE

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